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Re:Seagate hits 1 terabit per square inch, 60TB hard drives ... by Hoff on Tuesday March 20, 2012 @12:03PM (#3729939)
Seems quite similar to the classic magneto-optical (MO) disk drive technology that was (at least briefly) popular:

http://en.wikipedia.org/wiki/Magneto-optical_drive

The MO drives use a laser to heat the recording substrate to the Curie temperature during the recording path, too.

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